The Supervillain Shuffle

For all its massive, "world-changing" events, the DC Universe is a remarkably stable place. Superman has always fought Lex Luthor, Batman has always fought the Joker, and Wonder Woman has always fought Cheetah. Sure, they mix it up sometimes, but they always end up back where they started. Over at Marvel, however, things are more fluid. Often a hero's "signature" villain started out fighting someone else. Let's take a look at some examples: